order of magnitude - definition and synonyms

noun [countable] 

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singularorder of magnitude
pluralorders of magnitude
  1. a level in a system for measuring things, in which each level is ten times higher than the one before

    Processing speeds exceed those of five years ago by several orders of magnitude.

    1. a.
      used to refer to the amount or degree of something

      Next year’s profits are expected to be of the same order of magnitude as last year’s.